Search a number
-
+
49057539 = 343380291
BaseRepresentation
bin1011101100100…
…0111100000011
310102022101021220
42323020330003
5100024320124
64511250123
71133660616
oct273107403
9112271256
1049057539
1125767723
1214519943
13a21843b
14673017d
154490879
hex2ec8f03

49057539 has 8 divisors (see below), whose sum is σ = 66931392. Its totient is φ = 31944360.

The previous prime is 49057537. The next prime is 49057549. The reversal of 49057539 is 93575094.

49057539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49057539 - 21 = 49057537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49057539.

It is not an unprimeable number, because it can be changed into a prime (49057537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190017 + ... + 190274.

It is an arithmetic number, because the mean of its divisors is an integer number (8366424).

Almost surely, 249057539 is an apocalyptic number.

49057539 is a deficient number, since it is larger than the sum of its proper divisors (17873853).

49057539 is a wasteful number, since it uses less digits than its factorization.

49057539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380337.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 49057539 is about 7004.1087227427. The cubic root of 49057539 is about 366.0737481656.

The spelling of 49057539 in words is "forty-nine million, fifty-seven thousand, five hundred thirty-nine".

Divisors: 1 3 43 129 380291 1140873 16352513 49057539